“Hi, Xiao Ming! Nice to meet you.” “__________”.A.Fine, thank you.B.I'm fine, too.C.Nice to meet you, too.
Pollution is a serious problem. Scientists have _______ some good ways to save it.
We can’t put off _____ a plan .
I saw himwhen I passed by.
Some people plan to ______ a volunteer project to help the disabled children.
You should look after,classmates.